Bus transportation is provided by the Maryland Transit Administration (MTA), the Washington Metropolitan Area Transit Authority (WMATA), and local buses. Statewide, MTA operates commuter buses linking metropolitan areas, funds bus transportation for elderly and disabled persons, and supports local public transportation, funding many counties and small cities. MTA provides privately contracted commuter bus service from Annapolis, Charlotte Hall, Columbia, Crofton, Frederick, Hagerstown, Huntingtown, Kent Island, North Beach, Silver Spring, and Waldorf to Washington, DC, or to a Metrorail station. MTA also operates over 60 bus routes in the Baltimore area. With suburban service from Annapolis, Bel Air, Columbia, Havre de Grace, Laurel, and White Marsh to downtown Baltimore, 860 buses serve more than 250,000 passengers daily. In winter, MTA Shelter Shuttle transports homeless individuals and families to city-run shelters nightly.

Facility	Financing or operating authority	Location	Length in miles
Interstate
John F. Kennedy Memorial Highway (I-95)	MDTA	Northern Baltimore City line to Delaware state line	50.0

Facility	Financing or operating authority	Location	Length in miles
Interstate
Baltimore Harbor Tunnel (I-895)	MDTA	From Canton (under Patapsco River) to Fairfield, MD	1.50
Fort McHenry Tunnel (I-95)	MDTA	From Baltimore (under Patapsco River) to Baltimore, MD	1.50
Francis Scott Key Bridge (I-695)	MDTA	From Hawkins Point (across Patapsco River) to Edgemere, MD	1.60
Noninterstate
Thomas J. Hatem Memorial Bridge (US 40)	MDTA	From Havre de Grace (across Susquehanna River) to Perryville, MD	1.30
Wm. Preston Lane, Jr. Memorial Bridge (US 50)	MDTA	From Sandy Point (across Chesapeake Bay) to Kent Island, MD	4.03
Governor Harry W. Nice Memorial Bridge (US 301)	MDTA	From Charles County, MD (across Potomac River) to King George County, VA	1.70
Vehicular toll ferries
Oxford	Captain Gilbert Clark	From Oxford, MD (across Tred Avon River) to Bellevue, MD	U
Whites Ferry, Inc.	Whites Ferry, Inc.	From Montgomery County, MD (across Potomac River) to Loudoun County, VA	U

From buses and shuttles to van and carpooling services, commuters have many options to help them reduce their reliance on personal vehicles. These alternatives are convenient and economical — and they help relieve stress on the environment, not to mention stress on drivers and wear-and-tear on vehicles.

Transportation System Extent

All public roads: 30,494 miles
Interstate: 481 miles
Road bridges: 4,963
Class I railroad trackage: 835 miles
Inland waterways: 532 miles
Public use airports: 35 (4 certificated for air carrier operations)

Vehicles and Conveyances

Automobiles registered: 2.6 million
Light trucks registered: 1.2 million
Heavy trucks registered: 15,000
Buses registered: 12,000
Motorcycles registered: 49,000
Rail transit systems: 1 commuter rail, 1 heavy rail (subway), 1 light rail
Numbered boats: 208,000